./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76fb98768a82c6e881c4461160153969b956a6a73a8217d33a39b93921ba72b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 00:46:48,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 00:46:48,661 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 00:46:48,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 00:46:48,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 00:46:48,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 00:46:48,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 00:46:48,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 00:46:48,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 00:46:48,713 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 00:46:48,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 00:46:48,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 00:46:48,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 00:46:48,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 00:46:48,715 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 00:46:48,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 00:46:48,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 00:46:48,719 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 00:46:48,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 00:46:48,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 00:46:48,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 00:46:48,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 00:46:48,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 00:46:48,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 00:46:48,722 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 00:46:48,722 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 00:46:48,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 00:46:48,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 00:46:48,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 00:46:48,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 00:46:48,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 00:46:48,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 00:46:48,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:46:48,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 00:46:48,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 00:46:48,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 00:46:48,725 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 00:46:48,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 00:46:48,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 00:46:48,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 00:46:48,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 00:46:48,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 00:46:48,727 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76fb98768a82c6e881c4461160153969b956a6a73a8217d33a39b93921ba72b5 [2024-10-24 00:46:49,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 00:46:49,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 00:46:49,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 00:46:49,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 00:46:49,038 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 00:46:49,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c [2024-10-24 00:46:50,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 00:46:50,922 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 00:46:50,924 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c [2024-10-24 00:46:50,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9489d2d4e/ab8d3f5afa36457fb8f57d1a2532c5c9/FLAG776379be6 [2024-10-24 00:46:50,962 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9489d2d4e/ab8d3f5afa36457fb8f57d1a2532c5c9 [2024-10-24 00:46:50,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 00:46:50,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 00:46:50,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 00:46:50,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 00:46:50,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 00:46:50,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:46:50" (1/1) ... [2024-10-24 00:46:50,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b9dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:50, skipping insertion in model container [2024-10-24 00:46:50,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:46:50" (1/1) ... [2024-10-24 00:46:51,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 00:46:51,287 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c[2480,2493] [2024-10-24 00:46:51,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:46:51,692 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 00:46:51,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [48] [2024-10-24 00:46:51,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [90] [2024-10-24 00:46:51,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [99] [2024-10-24 00:46:51,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [117] [2024-10-24 00:46:51,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [483] [2024-10-24 00:46:51,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1563] [2024-10-24 00:46:51,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1601] [2024-10-24 00:46:51,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2021] [2024-10-24 00:46:51,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2250] [2024-10-24 00:46:51,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2387] [2024-10-24 00:46:51,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2784] [2024-10-24 00:46:51,714 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c[2480,2493] [2024-10-24 00:46:51,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:46:51,855 INFO L204 MainTranslator]: Completed translation [2024-10-24 00:46:51,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51 WrapperNode [2024-10-24 00:46:51,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 00:46:51,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 00:46:51,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 00:46:51,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 00:46:51,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:51,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:51,950 INFO L138 Inliner]: procedures = 134, calls = 219, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1103 [2024-10-24 00:46:51,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 00:46:51,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 00:46:51,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 00:46:51,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 00:46:51,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:51,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:51,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:52,050 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-24 00:46:52,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:52,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:52,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:52,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:52,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:52,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:52,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 00:46:52,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 00:46:52,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 00:46:52,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 00:46:52,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (1/1) ... [2024-10-24 00:46:52,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:46:52,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:52,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 00:46:52,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 00:46:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-24 00:46:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-24 00:46:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-24 00:46:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-24 00:46:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-24 00:46:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-24 00:46:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-24 00:46:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-24 00:46:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-24 00:46:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-24 00:46:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-24 00:46:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-24 00:46:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-24 00:46:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-24 00:46:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-24 00:46:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-24 00:46:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-24 00:46:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-24 00:46:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-24 00:46:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-24 00:46:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-24 00:46:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-24 00:46:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-24 00:46:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-24 00:46:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-24 00:46:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-24 00:46:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-24 00:46:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-24 00:46:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 00:46:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-24 00:46:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-24 00:46:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-24 00:46:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-24 00:46:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-24 00:46:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-24 00:46:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-24 00:46:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-24 00:46:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-24 00:46:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-24 00:46:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-24 00:46:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-24 00:46:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-10-24 00:46:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-10-24 00:46:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-24 00:46:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-24 00:46:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-24 00:46:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-24 00:46:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-24 00:46:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-24 00:46:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-24 00:46:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-24 00:46:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-24 00:46:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-24 00:46:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 00:46:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 00:46:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 00:46:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 00:46:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-24 00:46:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-24 00:46:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-24 00:46:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-24 00:46:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 00:46:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 00:46:52,535 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 00:46:52,537 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 00:46:53,691 INFO L? ?]: Removed 583 outVars from TransFormulas that were not future-live. [2024-10-24 00:46:53,691 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 00:46:53,772 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 00:46:53,773 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 00:46:53,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:46:53 BoogieIcfgContainer [2024-10-24 00:46:53,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 00:46:53,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 00:46:53,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 00:46:53,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 00:46:53,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:46:50" (1/3) ... [2024-10-24 00:46:53,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ae56ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:46:53, skipping insertion in model container [2024-10-24 00:46:53,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:51" (2/3) ... [2024-10-24 00:46:53,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ae56ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:46:53, skipping insertion in model container [2024-10-24 00:46:53,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:46:53" (3/3) ... [2024-10-24 00:46:53,784 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product34.cil.c [2024-10-24 00:46:53,801 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 00:46:53,801 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 00:46:53,891 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 00:46:53,900 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14f0da35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 00:46:53,901 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 00:46:53,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 415 states, 314 states have (on average 1.5923566878980893) internal successors, (500), 319 states have internal predecessors, (500), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-24 00:46:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 00:46:53,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:53,939 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:53,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:53,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:53,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1703312272, now seen corresponding path program 1 times [2024-10-24 00:46:53,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:53,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907662386] [2024-10-24 00:46:53,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:53,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:46:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:46:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:46:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 00:46:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 00:46:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:46:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:46:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:46:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:46:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:46:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:46:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 00:46:54,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:54,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907662386] [2024-10-24 00:46:54,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907662386] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:46:54,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293191311] [2024-10-24 00:46:54,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:54,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:54,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:54,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:46:54,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 00:46:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 00:46:55,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:46:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:46:55,259 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:46:55,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293191311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:55,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:46:55,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-24 00:46:55,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964904203] [2024-10-24 00:46:55,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:55,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 00:46:55,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:55,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 00:46:55,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:46:55,304 INFO L87 Difference]: Start difference. First operand has 415 states, 314 states have (on average 1.5923566878980893) internal successors, (500), 319 states have internal predecessors, (500), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:55,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:55,402 INFO L93 Difference]: Finished difference Result 646 states and 983 transitions. [2024-10-24 00:46:55,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 00:46:55,405 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 104 [2024-10-24 00:46:55,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:55,430 INFO L225 Difference]: With dead ends: 646 [2024-10-24 00:46:55,430 INFO L226 Difference]: Without dead ends: 412 [2024-10-24 00:46:55,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:46:55,440 INFO L432 NwaCegarLoop]: 620 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:55,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 620 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:46:55,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-24 00:46:55,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2024-10-24 00:46:55,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 312 states have (on average 1.580128205128205) internal successors, (493), 316 states have internal predecessors, (493), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-24 00:46:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 634 transitions. [2024-10-24 00:46:55,524 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 634 transitions. Word has length 104 [2024-10-24 00:46:55,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:55,530 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 634 transitions. [2024-10-24 00:46:55,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 634 transitions. [2024-10-24 00:46:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 00:46:55,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:55,541 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:55,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 00:46:55,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-24 00:46:55,742 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:55,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:55,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1127730179, now seen corresponding path program 1 times [2024-10-24 00:46:55,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:55,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045235733] [2024-10-24 00:46:55,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:55,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:46:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:46:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:46:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 00:46:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 00:46:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:46:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:46:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:46:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:46:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:46:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:46:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 00:46:56,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:56,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045235733] [2024-10-24 00:46:56,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045235733] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:46:56,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233161528] [2024-10-24 00:46:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:56,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:56,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:56,091 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:46:56,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 00:46:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 00:46:56,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:46:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:46:56,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:46:56,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233161528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:56,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:46:56,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-24 00:46:56,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009435593] [2024-10-24 00:46:56,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:56,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 00:46:56,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:56,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 00:46:56,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:46:56,529 INFO L87 Difference]: Start difference. First operand 412 states and 634 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:56,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:56,633 INFO L93 Difference]: Finished difference Result 642 states and 967 transitions. [2024-10-24 00:46:56,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 00:46:56,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2024-10-24 00:46:56,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:56,644 INFO L225 Difference]: With dead ends: 642 [2024-10-24 00:46:56,644 INFO L226 Difference]: Without dead ends: 414 [2024-10-24 00:46:56,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:46:56,648 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 0 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:56,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1233 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:46:56,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-10-24 00:46:56,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2024-10-24 00:46:56,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 314 states have (on average 1.5764331210191083) internal successors, (495), 318 states have internal predecessors, (495), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-24 00:46:56,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 636 transitions. [2024-10-24 00:46:56,694 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 636 transitions. Word has length 105 [2024-10-24 00:46:56,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:56,694 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 636 transitions. [2024-10-24 00:46:56,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:56,695 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 636 transitions. [2024-10-24 00:46:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-24 00:46:56,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:56,700 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:56,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 00:46:56,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-24 00:46:56,905 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:56,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:56,905 INFO L85 PathProgramCache]: Analyzing trace with hash 700438134, now seen corresponding path program 1 times [2024-10-24 00:46:56,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:56,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493380575] [2024-10-24 00:46:56,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:56,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:46:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:46:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:46:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 00:46:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 00:46:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 00:46:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:46:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:46:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:46:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:46:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:46:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:46:57,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:57,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493380575] [2024-10-24 00:46:57,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493380575] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:46:57,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797746264] [2024-10-24 00:46:57,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:57,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:57,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:57,172 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:46:57,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 00:46:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 00:46:57,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:46:57,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:46:57,560 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:46:57,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797746264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:57,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:46:57,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-24 00:46:57,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384140328] [2024-10-24 00:46:57,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:57,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 00:46:57,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:57,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 00:46:57,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:46:57,565 INFO L87 Difference]: Start difference. First operand 414 states and 636 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:57,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:57,644 INFO L93 Difference]: Finished difference Result 876 states and 1364 transitions. [2024-10-24 00:46:57,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 00:46:57,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2024-10-24 00:46:57,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:57,649 INFO L225 Difference]: With dead ends: 876 [2024-10-24 00:46:57,649 INFO L226 Difference]: Without dead ends: 484 [2024-10-24 00:46:57,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:46:57,652 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 129 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:57,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1206 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:46:57,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-10-24 00:46:57,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 479. [2024-10-24 00:46:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 365 states have (on average 1.5945205479452054) internal successors, (582), 369 states have internal predecessors, (582), 85 states have call successors, (85), 28 states have call predecessors, (85), 28 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 00:46:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 751 transitions. [2024-10-24 00:46:57,678 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 751 transitions. Word has length 110 [2024-10-24 00:46:57,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:57,679 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 751 transitions. [2024-10-24 00:46:57,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 751 transitions. [2024-10-24 00:46:57,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 00:46:57,682 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:57,682 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:57,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 00:46:57,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:57,884 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:57,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:57,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1721007191, now seen corresponding path program 1 times [2024-10-24 00:46:57,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:57,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780987505] [2024-10-24 00:46:57,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:57,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:46:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:46:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:46:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 00:46:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 00:46:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 00:46:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:46:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:46:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:46:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:46:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:46:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:46:58,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:58,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780987505] [2024-10-24 00:46:58,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780987505] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:46:58,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617964583] [2024-10-24 00:46:58,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:58,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:58,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:58,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:46:58,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 00:46:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:58,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 00:46:58,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:46:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 00:46:58,518 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:46:58,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617964583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:58,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:46:58,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-24 00:46:58,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023575242] [2024-10-24 00:46:58,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:58,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:46:58,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:58,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:46:58,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:46:58,525 INFO L87 Difference]: Start difference. First operand 479 states and 751 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:46:58,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:58,661 INFO L93 Difference]: Finished difference Result 953 states and 1496 transitions. [2024-10-24 00:46:58,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:46:58,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 111 [2024-10-24 00:46:58,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:58,665 INFO L225 Difference]: With dead ends: 953 [2024-10-24 00:46:58,666 INFO L226 Difference]: Without dead ends: 481 [2024-10-24 00:46:58,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:46:58,682 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 2 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2425 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:58,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2425 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:46:58,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-10-24 00:46:58,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2024-10-24 00:46:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 366 states have (on average 1.592896174863388) internal successors, (583), 371 states have internal predecessors, (583), 85 states have call successors, (85), 28 states have call predecessors, (85), 29 states have return successors, (86), 83 states have call predecessors, (86), 84 states have call successors, (86) [2024-10-24 00:46:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 754 transitions. [2024-10-24 00:46:58,712 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 754 transitions. Word has length 111 [2024-10-24 00:46:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:58,712 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 754 transitions. [2024-10-24 00:46:58,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:46:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 754 transitions. [2024-10-24 00:46:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 00:46:58,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:58,715 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:58,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 00:46:58,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:58,916 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:58,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:58,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1980872464, now seen corresponding path program 1 times [2024-10-24 00:46:58,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:58,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953669870] [2024-10-24 00:46:58,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:58,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:46:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 00:46:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 00:46:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 00:46:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:46:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:46:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:46:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 00:46:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:46:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:46:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 00:46:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 00:46:59,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:59,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953669870] [2024-10-24 00:46:59,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953669870] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:46:59,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121544967] [2024-10-24 00:46:59,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:59,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:59,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:59,159 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:46:59,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 00:46:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 00:46:59,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:46:59,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 00:46:59,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:46:59,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121544967] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:59,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:46:59,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-24 00:46:59,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765995855] [2024-10-24 00:46:59,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:59,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:46:59,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:59,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:46:59,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:46:59,518 INFO L87 Difference]: Start difference. First operand 481 states and 754 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:46:59,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:59,624 INFO L93 Difference]: Finished difference Result 955 states and 1501 transitions. [2024-10-24 00:46:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:46:59,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 112 [2024-10-24 00:46:59,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:59,629 INFO L225 Difference]: With dead ends: 955 [2024-10-24 00:46:59,629 INFO L226 Difference]: Without dead ends: 483 [2024-10-24 00:46:59,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:46:59,632 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 2 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2411 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:59,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2411 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:46:59,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-10-24 00:46:59,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2024-10-24 00:46:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 367 states have (on average 1.5912806539509536) internal successors, (584), 373 states have internal predecessors, (584), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2024-10-24 00:46:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 760 transitions. [2024-10-24 00:46:59,660 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 760 transitions. Word has length 112 [2024-10-24 00:46:59,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:59,661 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 760 transitions. [2024-10-24 00:46:59,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:46:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 760 transitions. [2024-10-24 00:46:59,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 00:46:59,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:59,664 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:59,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 00:46:59,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:59,869 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:59,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:59,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1482558844, now seen corresponding path program 1 times [2024-10-24 00:46:59,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:59,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118101942] [2024-10-24 00:46:59,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:59,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 00:47:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 00:47:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:47:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:47:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:47:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 00:47:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:47:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:47:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:47:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:47:00,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:00,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118101942] [2024-10-24 00:47:00,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118101942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:00,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:00,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 00:47:00,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073616441] [2024-10-24 00:47:00,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:00,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 00:47:00,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:00,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 00:47:00,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:47:00,097 INFO L87 Difference]: Start difference. First operand 483 states and 760 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:47:02,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:02,913 INFO L93 Difference]: Finished difference Result 1110 states and 1778 transitions. [2024-10-24 00:47:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:47:02,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 113 [2024-10-24 00:47:02,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:02,919 INFO L225 Difference]: With dead ends: 1110 [2024-10-24 00:47:02,919 INFO L226 Difference]: Without dead ends: 646 [2024-10-24 00:47:02,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:47:02,924 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1416 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 3198 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 3709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 3198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:02,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 1198 Invalid, 3709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 3198 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-24 00:47:02,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-10-24 00:47:02,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 483. [2024-10-24 00:47:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 367 states have (on average 1.5912806539509536) internal successors, (584), 373 states have internal predecessors, (584), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (90), 83 states have call predecessors, (90), 84 states have call successors, (90) [2024-10-24 00:47:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 759 transitions. [2024-10-24 00:47:02,984 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 759 transitions. Word has length 113 [2024-10-24 00:47:02,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:02,985 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 759 transitions. [2024-10-24 00:47:02,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:47:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 759 transitions. [2024-10-24 00:47:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 00:47:02,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:02,988 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:02,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 00:47:02,989 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:02,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:02,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1433415931, now seen corresponding path program 2 times [2024-10-24 00:47:02,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:02,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603080015] [2024-10-24 00:47:02,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:02,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 00:47:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 00:47:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 00:47:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:47:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:47:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:47:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:47:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:47:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 00:47:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:47:03,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:03,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603080015] [2024-10-24 00:47:03,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603080015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:03,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:03,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 00:47:03,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892670733] [2024-10-24 00:47:03,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:03,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 00:47:03,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:03,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 00:47:03,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:47:03,287 INFO L87 Difference]: Start difference. First operand 483 states and 759 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:47:05,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:05,803 INFO L93 Difference]: Finished difference Result 1112 states and 1781 transitions. [2024-10-24 00:47:05,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:47:05,803 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 114 [2024-10-24 00:47:05,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:05,808 INFO L225 Difference]: With dead ends: 1112 [2024-10-24 00:47:05,808 INFO L226 Difference]: Without dead ends: 648 [2024-10-24 00:47:05,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:47:05,811 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1412 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 3190 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 3706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 3190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:05,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1413 Valid, 1198 Invalid, 3706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 3190 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-24 00:47:05,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-10-24 00:47:05,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 485. [2024-10-24 00:47:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 368 states have (on average 1.5896739130434783) internal successors, (585), 375 states have internal predecessors, (585), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (92), 83 states have call predecessors, (92), 84 states have call successors, (92) [2024-10-24 00:47:05,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 762 transitions. [2024-10-24 00:47:05,847 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 762 transitions. Word has length 114 [2024-10-24 00:47:05,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:05,848 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 762 transitions. [2024-10-24 00:47:05,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:47:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 762 transitions. [2024-10-24 00:47:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 00:47:05,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:05,850 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:05,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 00:47:05,851 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:05,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:05,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1495989719, now seen corresponding path program 1 times [2024-10-24 00:47:05,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:05,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086409969] [2024-10-24 00:47:05,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:05,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 00:47:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 00:47:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:47:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:47:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:47:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:47:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:47:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:47:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 00:47:06,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:06,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086409969] [2024-10-24 00:47:06,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086409969] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:06,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:06,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:47:06,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288691241] [2024-10-24 00:47:06,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:06,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:47:06,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:06,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:47:06,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:47:06,156 INFO L87 Difference]: Start difference. First operand 485 states and 762 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 00:47:09,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:09,462 INFO L93 Difference]: Finished difference Result 1110 states and 1776 transitions. [2024-10-24 00:47:09,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 00:47:09,463 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 115 [2024-10-24 00:47:09,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:09,468 INFO L225 Difference]: With dead ends: 1110 [2024-10-24 00:47:09,468 INFO L226 Difference]: Without dead ends: 648 [2024-10-24 00:47:09,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-24 00:47:09,471 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1415 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 5340 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 5866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 5340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:09,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 1664 Invalid, 5866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 5340 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-24 00:47:09,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-10-24 00:47:09,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 485. [2024-10-24 00:47:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 368 states have (on average 1.5896739130434783) internal successors, (585), 375 states have internal predecessors, (585), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2024-10-24 00:47:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 761 transitions. [2024-10-24 00:47:09,512 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 761 transitions. Word has length 115 [2024-10-24 00:47:09,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:09,512 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 761 transitions. [2024-10-24 00:47:09,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 00:47:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 761 transitions. [2024-10-24 00:47:09,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-24 00:47:09,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:09,514 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:09,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 00:47:09,515 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:09,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:09,515 INFO L85 PathProgramCache]: Analyzing trace with hash 8086591, now seen corresponding path program 2 times [2024-10-24 00:47:09,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:09,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406291928] [2024-10-24 00:47:09,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:09,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 00:47:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 00:47:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:47:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:47:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:47:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:47:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:47:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 00:47:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:09,784 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 00:47:09,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:09,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406291928] [2024-10-24 00:47:09,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406291928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:09,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:09,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:47:09,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625428477] [2024-10-24 00:47:09,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:09,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:47:09,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:09,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:47:09,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:47:09,787 INFO L87 Difference]: Start difference. First operand 485 states and 761 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 00:47:12,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:12,740 INFO L93 Difference]: Finished difference Result 1112 states and 1782 transitions. [2024-10-24 00:47:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 00:47:12,740 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 116 [2024-10-24 00:47:12,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:12,746 INFO L225 Difference]: With dead ends: 1112 [2024-10-24 00:47:12,746 INFO L226 Difference]: Without dead ends: 650 [2024-10-24 00:47:12,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-24 00:47:12,750 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1411 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 5331 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 5858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 5331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:12,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1412 Valid, 1663 Invalid, 5858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [527 Valid, 5331 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-24 00:47:12,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-10-24 00:47:12,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 487. [2024-10-24 00:47:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 369 states have (on average 1.5880758807588076) internal successors, (586), 377 states have internal predecessors, (586), 85 states have call successors, (85), 28 states have call predecessors, (85), 32 states have return successors, (96), 83 states have call predecessors, (96), 84 states have call successors, (96) [2024-10-24 00:47:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 767 transitions. [2024-10-24 00:47:12,787 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 767 transitions. Word has length 116 [2024-10-24 00:47:12,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:12,788 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 767 transitions. [2024-10-24 00:47:12,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 00:47:12,788 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 767 transitions. [2024-10-24 00:47:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 00:47:12,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:12,790 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:12,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 00:47:12,790 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:12,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:12,791 INFO L85 PathProgramCache]: Analyzing trace with hash -542524050, now seen corresponding path program 1 times [2024-10-24 00:47:12,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:12,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174402744] [2024-10-24 00:47:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:12,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:47:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 00:47:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:47:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:47:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:47:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:47:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:47:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:47:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:12,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:12,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174402744] [2024-10-24 00:47:12,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174402744] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:47:12,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052936048] [2024-10-24 00:47:12,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:12,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:47:12,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:47:12,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:47:12,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 00:47:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 00:47:13,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:47:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:13,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:47:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:13,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052936048] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:47:13,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 00:47:13,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-10-24 00:47:13,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583411024] [2024-10-24 00:47:13,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 00:47:13,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 00:47:13,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:13,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 00:47:13,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-24 00:47:13,404 INFO L87 Difference]: Start difference. First operand 487 states and 767 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-24 00:47:15,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:15,540 INFO L93 Difference]: Finished difference Result 1298 states and 2159 transitions. [2024-10-24 00:47:15,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 00:47:15,541 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 117 [2024-10-24 00:47:15,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:15,547 INFO L225 Difference]: With dead ends: 1298 [2024-10-24 00:47:15,547 INFO L226 Difference]: Without dead ends: 1070 [2024-10-24 00:47:15,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:47:15,549 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 1910 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 2721 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 3442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 2721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:15,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 1528 Invalid, 3442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 2721 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 00:47:15,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2024-10-24 00:47:15,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 892. [2024-10-24 00:47:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 695 states have (on average 1.6489208633093526) internal successors, (1146), 703 states have internal predecessors, (1146), 164 states have call successors, (164), 28 states have call predecessors, (164), 32 states have return successors, (185), 162 states have call predecessors, (185), 163 states have call successors, (185) [2024-10-24 00:47:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1495 transitions. [2024-10-24 00:47:15,611 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1495 transitions. Word has length 117 [2024-10-24 00:47:15,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:15,612 INFO L471 AbstractCegarLoop]: Abstraction has 892 states and 1495 transitions. [2024-10-24 00:47:15,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-24 00:47:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1495 transitions. [2024-10-24 00:47:15,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 00:47:15,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:15,617 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:15,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 00:47:15,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:47:15,818 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:15,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:15,819 INFO L85 PathProgramCache]: Analyzing trace with hash -28275509, now seen corresponding path program 1 times [2024-10-24 00:47:15,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:15,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065950193] [2024-10-24 00:47:15,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:15,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 00:47:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:47:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:47:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:47:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:47:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:47:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 00:47:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:47:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,971 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:15,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:15,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065950193] [2024-10-24 00:47:15,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065950193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:15,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:15,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:15,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937185419] [2024-10-24 00:47:15,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:15,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:15,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:15,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:15,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:15,974 INFO L87 Difference]: Start difference. First operand 892 states and 1495 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:17,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:17,690 INFO L93 Difference]: Finished difference Result 2294 states and 3938 transitions. [2024-10-24 00:47:17,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:17,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2024-10-24 00:47:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:17,701 INFO L225 Difference]: With dead ends: 2294 [2024-10-24 00:47:17,702 INFO L226 Difference]: Without dead ends: 1462 [2024-10-24 00:47:17,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:17,706 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 1537 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 589 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 589 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:17,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 932 Invalid, 2424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [589 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 00:47:17,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2024-10-24 00:47:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1294. [2024-10-24 00:47:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1018 states have (on average 1.663064833005894) internal successors, (1693), 1026 states have internal predecessors, (1693), 243 states have call successors, (243), 28 states have call predecessors, (243), 32 states have return successors, (274), 241 states have call predecessors, (274), 242 states have call successors, (274) [2024-10-24 00:47:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 2210 transitions. [2024-10-24 00:47:17,776 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 2210 transitions. Word has length 123 [2024-10-24 00:47:17,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:17,776 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 2210 transitions. [2024-10-24 00:47:17,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 2210 transitions. [2024-10-24 00:47:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 00:47:17,786 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:17,786 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:17,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 00:47:17,787 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:17,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:17,787 INFO L85 PathProgramCache]: Analyzing trace with hash 825173311, now seen corresponding path program 1 times [2024-10-24 00:47:17,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:17,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872332184] [2024-10-24 00:47:17,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:17,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 00:47:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:47:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:47:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:47:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:47:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:47:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:47:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 00:47:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:17,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:17,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872332184] [2024-10-24 00:47:17,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872332184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:17,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:17,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:17,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426009639] [2024-10-24 00:47:17,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:17,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:17,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:17,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:17,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:17,910 INFO L87 Difference]: Start difference. First operand 1294 states and 2210 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:19,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:19,878 INFO L93 Difference]: Finished difference Result 3277 states and 5685 transitions. [2024-10-24 00:47:19,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:19,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2024-10-24 00:47:19,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:19,894 INFO L225 Difference]: With dead ends: 3277 [2024-10-24 00:47:19,894 INFO L226 Difference]: Without dead ends: 2093 [2024-10-24 00:47:19,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:19,900 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1535 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1809 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1553 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 1809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:19,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1553 Valid, 888 Invalid, 2393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 1809 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 00:47:19,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2024-10-24 00:47:19,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 1925. [2024-10-24 00:47:19,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1925 states, 1530 states have (on average 1.6725490196078432) internal successors, (2559), 1538 states have internal predecessors, (2559), 362 states have call successors, (362), 28 states have call predecessors, (362), 32 states have return successors, (393), 360 states have call predecessors, (393), 361 states have call successors, (393) [2024-10-24 00:47:19,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 3314 transitions. [2024-10-24 00:47:20,002 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 3314 transitions. Word has length 124 [2024-10-24 00:47:20,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:20,002 INFO L471 AbstractCegarLoop]: Abstraction has 1925 states and 3314 transitions. [2024-10-24 00:47:20,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:20,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 3314 transitions. [2024-10-24 00:47:20,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 00:47:20,016 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:20,017 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:20,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 00:47:20,017 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:20,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:20,018 INFO L85 PathProgramCache]: Analyzing trace with hash -2058533331, now seen corresponding path program 1 times [2024-10-24 00:47:20,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:20,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485486859] [2024-10-24 00:47:20,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:20,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:47:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:47:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:47:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:47:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 00:47:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:47:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 00:47:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 00:47:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:20,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:20,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485486859] [2024-10-24 00:47:20,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485486859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:20,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:20,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:20,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528944571] [2024-10-24 00:47:20,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:20,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:20,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:20,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:20,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:20,175 INFO L87 Difference]: Start difference. First operand 1925 states and 3314 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:21,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:21,914 INFO L93 Difference]: Finished difference Result 4757 states and 8337 transitions. [2024-10-24 00:47:21,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:21,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-10-24 00:47:21,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:21,934 INFO L225 Difference]: With dead ends: 4757 [2024-10-24 00:47:21,934 INFO L226 Difference]: Without dead ends: 3062 [2024-10-24 00:47:21,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:21,943 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1532 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:21,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 878 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [577 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 00:47:21,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2024-10-24 00:47:22,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2894. [2024-10-24 00:47:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2894 states, 2337 states have (on average 1.680359435173299) internal successors, (3927), 2345 states have internal predecessors, (3927), 524 states have call successors, (524), 28 states have call predecessors, (524), 32 states have return successors, (571), 522 states have call predecessors, (571), 523 states have call successors, (571) [2024-10-24 00:47:22,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 5022 transitions. [2024-10-24 00:47:22,105 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 5022 transitions. Word has length 125 [2024-10-24 00:47:22,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:22,105 INFO L471 AbstractCegarLoop]: Abstraction has 2894 states and 5022 transitions. [2024-10-24 00:47:22,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 5022 transitions. [2024-10-24 00:47:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-24 00:47:22,119 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:22,119 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:22,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 00:47:22,120 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:22,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:22,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1365390368, now seen corresponding path program 1 times [2024-10-24 00:47:22,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:22,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088258636] [2024-10-24 00:47:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:22,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:47:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:47:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 00:47:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:47:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-24 00:47:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:47:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 00:47:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 00:47:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:22,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:22,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088258636] [2024-10-24 00:47:22,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088258636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:22,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:22,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:22,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044568517] [2024-10-24 00:47:22,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:22,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:22,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:22,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:22,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:22,234 INFO L87 Difference]: Start difference. First operand 2894 states and 5022 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:23,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:23,920 INFO L93 Difference]: Finished difference Result 7097 states and 12542 transitions. [2024-10-24 00:47:23,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:23,920 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2024-10-24 00:47:23,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:23,947 INFO L225 Difference]: With dead ends: 7097 [2024-10-24 00:47:23,948 INFO L226 Difference]: Without dead ends: 4630 [2024-10-24 00:47:23,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:23,958 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1528 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1826 mSolverCounterSat, 578 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 2404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 578 IncrementalHoareTripleChecker+Valid, 1826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:23,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1546 Valid, 885 Invalid, 2404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [578 Valid, 1826 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 00:47:23,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4630 states. [2024-10-24 00:47:24,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4630 to 4462. [2024-10-24 00:47:24,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4462 states, 3660 states have (on average 1.6860655737704917) internal successors, (6171), 3668 states have internal predecessors, (6171), 769 states have call successors, (769), 28 states have call predecessors, (769), 32 states have return successors, (842), 767 states have call predecessors, (842), 768 states have call successors, (842) [2024-10-24 00:47:24,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4462 states and 7782 transitions. [2024-10-24 00:47:24,162 INFO L78 Accepts]: Start accepts. Automaton has 4462 states and 7782 transitions. Word has length 126 [2024-10-24 00:47:24,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:24,163 INFO L471 AbstractCegarLoop]: Abstraction has 4462 states and 7782 transitions. [2024-10-24 00:47:24,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 4462 states and 7782 transitions. [2024-10-24 00:47:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-24 00:47:24,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:24,181 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:24,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 00:47:24,181 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:24,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:24,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1686886057, now seen corresponding path program 1 times [2024-10-24 00:47:24,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:24,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759307097] [2024-10-24 00:47:24,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:24,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:47:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:47:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:47:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:47:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:47:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:47:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 00:47:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 00:47:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:24,285 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:24,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:24,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759307097] [2024-10-24 00:47:24,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759307097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:24,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:24,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:24,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705885381] [2024-10-24 00:47:24,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:24,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:24,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:24,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:24,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:24,287 INFO L87 Difference]: Start difference. First operand 4462 states and 7782 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:26,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:26,073 INFO L93 Difference]: Finished difference Result 11050 states and 19609 transitions. [2024-10-24 00:47:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:26,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2024-10-24 00:47:26,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:26,112 INFO L225 Difference]: With dead ends: 11050 [2024-10-24 00:47:26,112 INFO L226 Difference]: Without dead ends: 7302 [2024-10-24 00:47:26,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:26,129 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1529 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 586 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:26,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 909 Invalid, 2396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [586 Valid, 1810 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 00:47:26,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7302 states. [2024-10-24 00:47:26,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7302 to 7134. [2024-10-24 00:47:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7134 states, 5839 states have (on average 1.680938516869327) internal successors, (9815), 5847 states have internal predecessors, (9815), 1262 states have call successors, (1262), 28 states have call predecessors, (1262), 32 states have return successors, (1379), 1260 states have call predecessors, (1379), 1261 states have call successors, (1379) [2024-10-24 00:47:26,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7134 states to 7134 states and 12456 transitions. [2024-10-24 00:47:26,475 INFO L78 Accepts]: Start accepts. Automaton has 7134 states and 12456 transitions. Word has length 127 [2024-10-24 00:47:26,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:26,476 INFO L471 AbstractCegarLoop]: Abstraction has 7134 states and 12456 transitions. [2024-10-24 00:47:26,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 7134 states and 12456 transitions. [2024-10-24 00:47:26,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-24 00:47:26,502 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:26,502 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:26,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 00:47:26,502 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:26,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:26,503 INFO L85 PathProgramCache]: Analyzing trace with hash 2143616932, now seen corresponding path program 1 times [2024-10-24 00:47:26,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:26,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536353564] [2024-10-24 00:47:26,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:26,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:47:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:47:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:47:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:47:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:47:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:47:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 00:47:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 00:47:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,631 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:26,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:26,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536353564] [2024-10-24 00:47:26,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536353564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:26,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:26,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:26,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470385371] [2024-10-24 00:47:26,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:26,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:26,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:26,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:26,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:26,634 INFO L87 Difference]: Start difference. First operand 7134 states and 12456 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:28,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:28,381 INFO L93 Difference]: Finished difference Result 18185 states and 32293 transitions. [2024-10-24 00:47:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:28,382 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-10-24 00:47:28,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:28,432 INFO L225 Difference]: With dead ends: 18185 [2024-10-24 00:47:28,433 INFO L226 Difference]: Without dead ends: 12131 [2024-10-24 00:47:28,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:28,525 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1530 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 2383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:28,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 883 Invalid, 2383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 00:47:28,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12131 states. [2024-10-24 00:47:28,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12131 to 11963. [2024-10-24 00:47:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11963 states, 9846 states have (on average 1.681393459272801) internal successors, (16555), 9854 states have internal predecessors, (16555), 2084 states have call successors, (2084), 28 states have call predecessors, (2084), 32 states have return successors, (2279), 2082 states have call predecessors, (2279), 2083 states have call successors, (2279) [2024-10-24 00:47:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11963 states to 11963 states and 20918 transitions. [2024-10-24 00:47:29,102 INFO L78 Accepts]: Start accepts. Automaton has 11963 states and 20918 transitions. Word has length 128 [2024-10-24 00:47:29,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:29,104 INFO L471 AbstractCegarLoop]: Abstraction has 11963 states and 20918 transitions. [2024-10-24 00:47:29,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 11963 states and 20918 transitions. [2024-10-24 00:47:29,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-24 00:47:29,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:29,151 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:29,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 00:47:29,152 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:29,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:29,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1754430633, now seen corresponding path program 1 times [2024-10-24 00:47:29,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:29,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529320655] [2024-10-24 00:47:29,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:29,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:47:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:47:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 00:47:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:47:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:47:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:47:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 00:47:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 00:47:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:29,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:29,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529320655] [2024-10-24 00:47:29,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529320655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:29,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:29,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:29,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817502229] [2024-10-24 00:47:29,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:29,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:29,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:29,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:29,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:29,286 INFO L87 Difference]: Start difference. First operand 11963 states and 20918 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:31,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:31,214 INFO L93 Difference]: Finished difference Result 28731 states and 50846 transitions. [2024-10-24 00:47:31,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:31,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2024-10-24 00:47:31,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:31,302 INFO L225 Difference]: With dead ends: 28731 [2024-10-24 00:47:31,302 INFO L226 Difference]: Without dead ends: 18803 [2024-10-24 00:47:31,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:31,340 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1527 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 2376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 598 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:31,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1546 Valid, 853 Invalid, 2376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [598 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 00:47:31,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18803 states. [2024-10-24 00:47:32,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18803 to 18635. [2024-10-24 00:47:32,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18635 states, 15315 states have (on average 1.6595494613124389) internal successors, (25416), 15323 states have internal predecessors, (25416), 3287 states have call successors, (3287), 28 states have call predecessors, (3287), 32 states have return successors, (3626), 3285 states have call predecessors, (3626), 3286 states have call successors, (3626) [2024-10-24 00:47:32,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18635 states to 18635 states and 32329 transitions. [2024-10-24 00:47:32,184 INFO L78 Accepts]: Start accepts. Automaton has 18635 states and 32329 transitions. Word has length 129 [2024-10-24 00:47:32,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:32,185 INFO L471 AbstractCegarLoop]: Abstraction has 18635 states and 32329 transitions. [2024-10-24 00:47:32,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 18635 states and 32329 transitions. [2024-10-24 00:47:32,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-24 00:47:32,223 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:32,223 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:32,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 00:47:32,224 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:32,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:32,224 INFO L85 PathProgramCache]: Analyzing trace with hash -236707931, now seen corresponding path program 1 times [2024-10-24 00:47:32,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:32,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948200457] [2024-10-24 00:47:32,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:32,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:47:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:47:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 00:47:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:47:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:47:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 00:47:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:47:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 00:47:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:32,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:32,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948200457] [2024-10-24 00:47:32,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948200457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:32,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:32,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:32,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996208146] [2024-10-24 00:47:32,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:32,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:32,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:32,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:32,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:32,448 INFO L87 Difference]: Start difference. First operand 18635 states and 32329 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:34,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:34,827 INFO L93 Difference]: Finished difference Result 49364 states and 87167 transitions. [2024-10-24 00:47:34,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:34,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-10-24 00:47:34,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:34,999 INFO L225 Difference]: With dead ends: 49364 [2024-10-24 00:47:34,999 INFO L226 Difference]: Without dead ends: 33384 [2024-10-24 00:47:35,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:35,073 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1526 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1545 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:35,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1545 Valid, 878 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [591 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 00:47:35,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33384 states. [2024-10-24 00:47:36,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33384 to 33216. [2024-10-24 00:47:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33216 states, 27446 states have (on average 1.6570356336078118) internal successors, (45479), 27454 states have internal predecessors, (45479), 5737 states have call successors, (5737), 28 states have call predecessors, (5737), 32 states have return successors, (6350), 5735 states have call predecessors, (6350), 5736 states have call successors, (6350) [2024-10-24 00:47:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33216 states to 33216 states and 57566 transitions. [2024-10-24 00:47:36,593 INFO L78 Accepts]: Start accepts. Automaton has 33216 states and 57566 transitions. Word has length 130 [2024-10-24 00:47:36,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:36,594 INFO L471 AbstractCegarLoop]: Abstraction has 33216 states and 57566 transitions. [2024-10-24 00:47:36,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:36,594 INFO L276 IsEmpty]: Start isEmpty. Operand 33216 states and 57566 transitions. [2024-10-24 00:47:36,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-24 00:47:36,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:36,633 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:36,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 00:47:36,633 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:36,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:36,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1884304945, now seen corresponding path program 1 times [2024-10-24 00:47:36,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:36,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533285050] [2024-10-24 00:47:36,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:36,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:47:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:47:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:47:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:47:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:47:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:47:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 00:47:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 00:47:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:36,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:36,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533285050] [2024-10-24 00:47:36,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533285050] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:36,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:36,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:36,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081725284] [2024-10-24 00:47:36,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:36,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:36,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:36,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:36,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:36,743 INFO L87 Difference]: Start difference. First operand 33216 states and 57566 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:40,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:40,042 INFO L93 Difference]: Finished difference Result 90666 states and 159391 transitions. [2024-10-24 00:47:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:40,043 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-10-24 00:47:40,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:40,353 INFO L225 Difference]: With dead ends: 90666 [2024-10-24 00:47:40,353 INFO L226 Difference]: Without dead ends: 60996 [2024-10-24 00:47:40,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:40,444 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1518 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 2400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:40,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 897 Invalid, 2400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [572 Valid, 1828 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 00:47:40,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60996 states. [2024-10-24 00:47:42,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60996 to 60828. [2024-10-24 00:47:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60828 states, 50545 states have (on average 1.6534770996142052) internal successors, (83575), 50553 states have internal predecessors, (83575), 10250 states have call successors, (10250), 28 states have call predecessors, (10250), 32 states have return successors, (11395), 10248 states have call predecessors, (11395), 10249 states have call successors, (11395) [2024-10-24 00:47:43,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60828 states to 60828 states and 105220 transitions. [2024-10-24 00:47:43,127 INFO L78 Accepts]: Start accepts. Automaton has 60828 states and 105220 transitions. Word has length 131 [2024-10-24 00:47:43,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:43,128 INFO L471 AbstractCegarLoop]: Abstraction has 60828 states and 105220 transitions. [2024-10-24 00:47:43,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:43,128 INFO L276 IsEmpty]: Start isEmpty. Operand 60828 states and 105220 transitions. [2024-10-24 00:47:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-24 00:47:43,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:43,179 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:43,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 00:47:43,179 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:43,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:43,179 INFO L85 PathProgramCache]: Analyzing trace with hash -531366011, now seen corresponding path program 1 times [2024-10-24 00:47:43,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:43,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641915950] [2024-10-24 00:47:43,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:43,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:47:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:47:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:47:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:47:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:47:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 00:47:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 00:47:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 00:47:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:43,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:43,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:43,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641915950] [2024-10-24 00:47:43,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641915950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:43,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:43,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:43,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503644572] [2024-10-24 00:47:43,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:43,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:43,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:43,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:43,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:43,291 INFO L87 Difference]: Start difference. First operand 60828 states and 105220 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:47,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:47,388 INFO L93 Difference]: Finished difference Result 114018 states and 201001 transitions. [2024-10-24 00:47:47,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:47,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-10-24 00:47:47,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:48,040 INFO L225 Difference]: With dead ends: 114018 [2024-10-24 00:47:48,040 INFO L226 Difference]: Without dead ends: 113790 [2024-10-24 00:47:48,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:48,083 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1516 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1821 mSolverCounterSat, 577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 1821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:48,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1533 Valid, 895 Invalid, 2398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [577 Valid, 1821 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 00:47:48,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113790 states. [2024-10-24 00:47:51,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113790 to 113622. [2024-10-24 00:47:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113622 states, 94971 states have (on average 1.6487875246127766) internal successors, (156587), 94979 states have internal predecessors, (156587), 18618 states have call successors, (18618), 28 states have call predecessors, (18618), 32 states have return successors, (20809), 18616 states have call predecessors, (20809), 18617 states have call successors, (20809) [2024-10-24 00:47:52,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113622 states to 113622 states and 196014 transitions. [2024-10-24 00:47:52,514 INFO L78 Accepts]: Start accepts. Automaton has 113622 states and 196014 transitions. Word has length 132 [2024-10-24 00:47:52,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:52,514 INFO L471 AbstractCegarLoop]: Abstraction has 113622 states and 196014 transitions. [2024-10-24 00:47:52,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:52,515 INFO L276 IsEmpty]: Start isEmpty. Operand 113622 states and 196014 transitions. [2024-10-24 00:47:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-24 00:47:52,577 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:52,577 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:52,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 00:47:52,577 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:52,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:52,578 INFO L85 PathProgramCache]: Analyzing trace with hash -314637648, now seen corresponding path program 1 times [2024-10-24 00:47:52,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:52,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677659675] [2024-10-24 00:47:52,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:52,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:47:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:47:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:47:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:47:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:47:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:47:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 00:47:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 00:47:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:53,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:53,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677659675] [2024-10-24 00:47:53,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677659675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:53,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:53,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-24 00:47:53,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7958938] [2024-10-24 00:47:53,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:53,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 00:47:53,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:53,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 00:47:53,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-10-24 00:47:53,542 INFO L87 Difference]: Start difference. First operand 113622 states and 196014 transitions. Second operand has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14)